<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/demo3.css">

</head>
<body>
<div class="login" id="login">
     柠檬班登陆页面

</div>

<form action="" method="post">
    账号：<input type="text" name="user" placeholder="请输入账号"><br>
    密码：<input type="password" name="pwd" placeholder="请输入密码"><br>

</form>

<div class="box1">box1
    <ul>
            <li>1</li>
            <li>2</li>
            <li>3</li>
            <li>4</li>
            <li>5</li>
    </ul>

</div>
<div class="box2">box2</div>
</body>
</html>